On Sept. 11, 2012, terrorists overran the United States consulate in Benghazi, Libya and murdered our ambassador along with three other Americans. Now, more than six weeks after the attack, some of the most important questions remain unanswered: Who did this and why? Could the attack have been prevented or repelled after it began? What did the White House know and when? And, as we enter the final stretch of the race for the White House, which side is closer to the truth: Those who argue this terrible tragedy was largely unforeseeable or those who say we're seeing President Obama's foreign policy unraveling right on our TV screens? Fox News has been on this story from the very beginning. Tune in this weekend, Bret Baier reveals explosive new details that you haven't heard.